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11 changes: 7 additions & 4 deletions pkgs/build-support/kernel/modules-closure.sh
Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,13 @@ echo "kernel version is $version"
closure=
for module in $rootModules; do
echo "root module: $module"
deps=$(modprobe --config no-config -d $kernel --set-version "$version" --show-depends "$module" \
| sed 's/^insmod //') \
|| if test -z "$allowMissing"; then exit 1; fi
if [[ "$deps" != builtin* ]]; then
# Obtain the module dependencies with modprobe.
rawdeps=$(modprobe --config no-config -d "$kernel" --set-version "$version" --show-depends "$module") \
|| if test -z "$allowMissing"; then exit 1; fi

if [[ "$rawdeps" != builtin* ]]; then
# Extract the module name from modprobe output and throws away the insmod part and the module arguments.
deps=$(printf '%s' "$rawdeps" | sed 's/^insmod \([^ ]*\).*/\1/')
closure="$closure $deps"
fi
done
Expand Down